#!/bin/sh

trap 'rm -f /tmp/my_tmp_file_$$' INT
echo creating file /tmp/my_tmp_file_$$
date > /tmp/my_tmp_file_$$

echo "press interrupt (CTRL-C) to interrupt ..."
while [ -f /tmp/my_tmp_file_$$ ]
do
  echo File exists
  sleep 1
done
echo The file no longer exists


trap INT
echo creating file /tmp/my_tmp_file_$$
date > /tmp/my_tmp_file_$$

echo "press interrupt (CTRL-C) to interrupt ..."
while [ -f /tmp/my_tmp_file_$$ ]
do
  echo File exists
  sleep 1
done

echo we never get here
exit 0
